Series Range Description
Drills
1625 .20mm – 2.40mm An undercut drill featuring MicroSeed X coating.  Applications for these drills include the drilling of technical ceramics such as Aluminum Oxide, Aluminum Nitride, Zirconium Oxide,Silicon Carbide as well as, Glass, Quartz, and Sapphire
1534 3.20mm–6.40mm A web thinned geometry to reduce load, the drill body  is tapered to reduce friction. application for theses drills include IMS, aluminum, copper, laminates with ceramic fillers and high Tg materials > 200° C such as RO4XXX, Arlon 25X and Isola IS620. Applications also include the drilling of glass, quartz, and other technical ceramics.
1835 1.30mm–3.175mm A standard drill design. Applications for these drills include IMS, aluminum, copper, laminate with ceramic filler and high Tg materials >200°C such as RO4XXX, Arlon 25X and Isola IS620 as well as the drilling of glass, quartz, technical ceramics such as Aluminum Oxide, Aluminum Nitride, Zirconium Oxide and Silicone.
1638 .50mm–1.25mm A diamond coated 1/8” shank X 1.500” over-all-length, undercut drill. Applications for these drills include IMS, aluminum, copper, laminate with ceramic fillers and high Tg materials >200°C such as RO4XXX, Arlon 25X and Isola IS620.
1640 .30mm-.45mm An undercut drill with a thicker diamond coating. Applications for these drills include halogen free material, laminate with fillers and high Tg materials ≥ 150°C.
Routers
1200 .80mm–3.175mm A diamond cut router with a fishtail end style. Applications for this   router include routing inner and outer contours in standard FR4 and laminates up to 185° C.
1250 1.00mm–3.175mm A diamond cut router with a fishtail end style and thicker diamond coating. Applications for this router including routing   inner and outer contours in CFRP (carbon fiber reinforced plastic), and GRP (glass reinforced plastic) such as Durostone® and Roedurtherm.
1700/1760 .40mm–3.175mm A fine tooth chip breaker router with a fishtail end style. Applications for this router including routing inner and outer contours of halogen-free and thigh Tg materials up to 185°C as well as the depaneling of assembled PCBs. Available as a down-cut design, Series 1760.
1750 .80mm–2.40mm A fine tooth chip breaker router with a fishtail end style and thicker diamond coating. Applications for this router including routing inner and outer contours of laminates with ceramic fillers and high Tg material ≥ 200°C  such as RO4XXX, Arlon 25X , and Isola IS 620 as well as the depaneling of assembled PCBs.
5422 .40mm–3.175mm A CC ALUSPEED® coated 1/8” shank X 1.500” over-all-length, Router.  Applications for this router include high precision depth routing and the routing of aluminum and copper.
End Mills
1322/28 .30mm–3.00mm A two flute end mill with a flat end cut and diamond coating. Applications for this end mill include IMS, aluminum, copper, and laminate with ceramic fillers. The 1328 series is the same the 1322, but doesn’t require pre-drilled plunge.
1312/18 1.60mm-3.00mm A single flute end mill with flat end cut and diamond coating. Applications for this end mill include IMS, aluminum, copper, and laminate with ceramic fillers.
Countersinks
1590/96 90˚, 120˚, 140˚ A GCT MicroSpeed diamond coated countersink with 5 flutes. Available in an 1/8″ or 6.00mm shank. Suited for chamfering holes and contours in IMS and PCB. Good edge surface quality.
Chamfering Cutter
138x 30˚-90˚ Chamfering cutter with GCT MicroSpeed diamond coating. Suited for scoring and chamfering of flex-rigid PCB, high Tg material, laminate with fillers, aluminum and copper.
Thread Mill
190x M1.6 x 0.35 –    M8 x 1.25 Thread mill featuring GCT’s MicroSpeed diamond coating. Ideally suited for internal thread milling of glass, quartz, as well as technical ceramics such as Aluminum Oxide, Aluminum Nitride, Zirconium Oxide and Silicon.
1940 M2.5 x 0.45 –    M4 x 0.7 Thread mill featuring GCT’s MicroSpeed diamond coating. Ideally suited for internal thread milling in IMS, aluminum, as well as copper.